Wednesday, October 31, 2007

Nanotechnology Propels Advances In Regenerative Medicine Research

Nanotubes help adult stem cells morph into neurons in brain-damaged rats.


Nanostructures promote formation of blood vessels, bolster cardiovascular function after heart attack


Are the two major advances discussed at a conference recently. No hint of how the nanotubes did this was supplied.



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Thursday, October 4, 2007

Heart Disease and Colon Cancer




Chan's study included 706 adults living in Hong Kong who were in their early 60s, on average.


The group included 206 heart disease patients, 208 people without heart disease, and 207 people who weren't screened for heart disease.


Each participant had a  colonoscopy, in which doctors screen the colon and rectum for cancers and other abnormal growths.


None was taking aspirin or cholesterol-lowering statin drugs, which may help prevent colon cancer. None had undergone colorectal surgery or had a colonoscopy in the past decade.


The doctors found colorectal cancer in about 4% of the heart disease patients, less than 1% of those without heart disease, and 1.4% of those not screened for heart disease.


Suspicious polyps were also more common in the heart disease patients than in the other participants, the study shows.




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Finding a link between heart disease and colon cancer makes sense but is not addressed in my area. 



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